Download Echo - Mac App

Name: Echo - Mac App
Author: THEODORE HQ

By: THEODORE HQ Add-on

Download Echo - Mac App (current and past versions) for Firefox

Latest Version: 1.0.4 Updated: 8 days ago

Ready to install?

Echo - Mac App is available to install from Firefox Add-ons Store and for download from this page.

View source code

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Available versions

You can find the current and older versions of Echo - Mac App here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.

Upgrade to download older versions

Version	Download	Size	Download count	Timestamp
1.0.4	XPI · ZIP · Source code	63.83KB	0	2026-09-03
1.0.3	XPI · ZIP · Source code	62.88KB	0	2026-06-24

2026-09-03 · 0 downloads

XPI ZIP Source code

2026-06-24 · 0 downloads

XPI ZIP Source code

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the Echo - Mac App ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Echo - Mac App ZIP file from step 1. Echo - Mac App is now installed on your browser.